MESON Chess Problem Database

Problem Display
PID: 68299 (nN1k2K1/N4B2/1n6/3p3p/3P1Bp1/1Q6/4b3/7r w - - 0 1)

Schwann, Edward B

Source?, 0000

nN1k2K1/N4B2/1n6/3p3p/3P1Bp1/1Q6/4b3/7r

#2

7 + 8

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Sd7
      • 2.Sbc6#
    • 1...Sc8
      • 2.Sac6#
    • 1...Sc7
      • 2.Bg5#
  • Tries
    • 1.Qxd5+?
      • 1...Ke7
        • 2.Bg5#
        • 2.Qg5#
        • 2.Qd6#
      • 1...Sd7
        • 2.Sbc6#
        • 2.Qxd7#
      • 1...Sxd5!
    • 1.Qa3?
      • threat
        • 2.Qf8#
      • 1...Sd7
        • 2.Sbc6#
      • 1...Sc7
        • 2.Bg5#
      • 1...Bb5!
    • 1.Qe3?
      • threat
        • 2.Qe8#
      • 1...Sc7
        • 2.Bg5#
      • 1...Bb5!
    • 1.Qb4?
      • threat
        • 2.Qf8#
      • 1...Sd7
        • 2.Sbc6#
      • 1...Sc7
        • 2.Bg5#
      • 1...Bb5!
    • 1.Qxb6+?
      • 1...Ke7
        • 2.Sc8#
        • 2.Bg5#
        • 2.Qd6#
      • 1...Sc7
        • 2.Bg5#
        • 2.Qxc7#
        • 2.Qd6#
        • 2.Qf6#
      • 1...Sxb6!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Bg5#
      • 1...Ke7
        • 2.Bg5#
      • 1...Rf1
        • 2.Qh4#
      • 1...Sd7
        • 2.Sbc6#
      • 1...Sc8
        • 2.Sac6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(f);SBLOCK::S(F)
    • S(f);SBLOCK::S(D)
    • S(g);SBLOCK::B(C)
  • Tries
    • Try
      • Q(A);CHECK,XP(d)
      • Refutation
        • S(f);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • S(f);SBLOCK::S(F)
        • S(g);SBLOCK::B(C)
      • Refutation
        • B(b);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • S(g);SBLOCK::B(C)
      • Refutation
        • B(b);
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • S(f);SBLOCK::S(F)
        • S(g);SBLOCK::B(C)
      • Refutation
        • B(b);
    • Try
      • Q(A);CHECK,XS(f)
      • Refutation
        • S(g);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • B(C)
    • Vars
      • K(h);S_FLIGHT::B(C)
      • R(a);N_GUARD::QAB(A)
      • S(f);SBLOCK::S(F)
      • S(f);SBLOCK::S(D)
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